6429457 has 2 divisors, whose sum is σ = 6429458. Its totient is φ = 6429456.

The previous prime is 6429439. The next prime is 6429463. The reversal of 6429457 is 7549246.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 3474496 + 2954961 = 1864^2 + 1719^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-6429457 is a prime.

It is not a weakly prime, because it can be changed into another prime (6429427) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3214728 + 3214729.

It is an arithmetic number, because the mean of its divisors is an integer number (3214729).

Almost surely, 2^6429457 is an apocalyptic number.

It is an amenable number.

6429457 is a deficient number, since it is larger than the sum of its proper divisors (1).

6429457 is an equidigital number, since it uses as much as digits as its factorization.

6429457 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 60480, while the sum is 37.

The square root of 6429457 is about 2535.6373952125. The cubic root of 6429457 is about 185.9479659434.

It can be divided in two parts, 6429 and 457, that added together give a palindrome (6886).

The spelling of 6429457 in words is "six million, four hundred twenty-nine thousand, four hundred fifty-seven".